Combining Texts

All the ideas for 'works', 'Letters to Leibniz' and 'Collins Dictionary of Philosophy'

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3 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula
No one can conceive of a possible substance, apart from those which God has created [Arnauld]
5. Theory of Logic / G. Quantification / 2. Domain of Quantification
De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]
12. Knowledge Sources / B. Perception / 4. Sense Data / b. Nature of sense-data
Sensations are mental, but sense-data could be mind-independent [Vesey]